This tools has high engine efficiency: >80%, motor diameter about 245 mm, strengthened 32mm rim and 40mm tire. This tool has generate program that has no shifting stores or equipment, no rubbing, more effective, less opportunity to break! This tool is braking mechanism turns off engine instantly, helps you to save power, enhances safety! This tool features 50 percent switching accelerator more secure, avoid missing control. Resilient 600D Oxford fabric holding bag along with a zippered primary section for battery. It’s for bike only. This tool is very recommended for you. You can buy it instantly by clicking on this page. Read more…